US3083224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyfluoroalkyl phosphates
Assignee: EIDP Inc
•
Filing: 1961-12-08
•
Granted: 1963-03-26
•
Expires: 1981-12-08
Abstract
No abstract record available.
Inventors
- 👤 Neal O Brace
- 👤 Alan K Mackenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:42
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1305; C07; C07C; C07C29/00; C07C29/58; C07C29/62; C07C31/00; C07C31/34; C07C31/40; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/14; C11; C11D; C11D1/00; C11D1/004; C11D1/006; D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A FLUORALKYL COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
6 words
A FLUORALKYL COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2750399A
Cited
US2867645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |